@article{10_21136_CMJ_1981_101754,
     author = {Mo\v{c}ko\v{r}, Ji\v{r}{\'\i}},
     title = {On $o$-ideals of groups of divisibility},
     journal = {Czechoslovak Mathematical Journal},
     pages = {390--403},
     publisher = {mathdoc},
     volume = {31},
     number = {3},
     year = {1981},
     doi = {10.21136/CMJ.1981.101754},
     mrnumber = {626913},
     zbl = {0511.13001},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1981.101754/}
}